Ox gall
Ox gall is gall, usually obtained from cows, that is mixed with alcohol and used as the wetting agent in paper marbling, engraving, lithography, and watercolor painting. It is a greenish-brown liquid mixture containing cholesterol, lecithin, taurocholic acid, and glycocholic acid.
References
External links
- http://www.winsornewton.com/news/making-water-thick-or-thin-gum-arabic-and-ox-gall
- http://www.neogen.com/acumedia/pdf/ProdInfo/7216_PI.pdf
- http://www.usbio.net/item/O8175
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